421 SYSTEM OF GEOMETRY AND TRIGONOMETRY: TOGETHER WITI Pు అందుకు TREATISE ON SURVEYING; TNACHING VARIOUS WAYS OF TAKING THE SURVEY OF A FIELD; ALSO TO PROTRACT THE SAME AND FIND THE AREA. LIKEWISE, RECTANGULAR SURVEYING; OR, HE ACCURATE METHOD OF CALCULATING THE AREA OF ANY FIELD ARITHMETI- BALLY, WITHOUT THE NECESSITY OF PLOTTING IT. TO THE WHOLE ARE ADDED SEVERAL MATHEMATICAL TABLES, NECESSARY FOR SOLVING QUESTIONS IN TRIGONOMETRY AND SURVEYING; WITH A PARTICULAR EXPLANATION OF THOSE TABLES AND THE MANNER OE USING THEM, THIRD EDITION, COMPILED FROM VARIOUS AUTHORS, BY ABEL FLINT, A. M. HARTFORD: PUBLISHED BY OLIVER D. COOKE. |